Cpu (Slot 0) Board - Sun Microsystems Sun Fire E25K Service Manual

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C H A P T E R

CPU (Slot 0) Board

The standard hot-swappable CPU boards or CPU filler panels for the Sun Fire
E25K/E20K systems are inserted into slot 0, expander 0 through 8 (front), and slot 0,
expander 9 through 17 (rear). This chapter contains the replacement procedures for
the standard CPU board, the CPU board DIMMs, and the CPU filler panels.
This chapter contains the following sections:
Section 8.1, "CPU (Slot 0) Board LEDs" on page 8-2
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Section 8.2, "CPU (Slot 0) Board Replacement Procedures" on page 8-3
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Section 8.3, "CPU (Slot 0) Board DIMM Replacement Procedures" on page 8-9
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Section 8.4, "CPU (Slot 0) Filler Panel Replacement Procedures" on page 8-12
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For your protection, also observe the following safety precautions when setting up
your equipment:
Follow all cautions and instructions marked on the equipment.
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Always use proper ESD equipment and procedures when handling boards and
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components.
Never push objects of any kind through openings in the equipment as they might
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touch dangerous voltage points or short out components that can result in fire or
electric shock.
Refer servicing of equipment to qualified personnel.
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Section 8.2.1, "Isolating a Failed CPU (Slot 0) Board" on page 8-3
Section 8.2.2, "Powering Off a CPU (Slot 0) Board" on page 8-4
Section 8.2.3, "Removing a CPU (Slot 0) Board" on page 8-5
Section 8.2.4, "Installing a CPU (Slot 0) Board" on page 8-7
Section 8.2.5, "Verifying a CPU (Slot 0) Board" on page 8-8
Section 8.3.1, "Removing the CPU DIMMs" on page 8-9
Section 8.3.2, "Installing the CPU DIMMs" on page 8-11
Section 8.4.1, "Removing a CPU (Slot 0) Filler Panel" on page 8-12
Section 8.4.2, "Installing a CPU (Slot 0) Filler Panel" on page 8-12
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